alohi5683oxb0ur alohi5683oxb0ur 18-03-2018 Mathematics contestada Show work please!! (-8x^4+6x+3)+(2x^4-2x^2+7) A. -6x^4-2x^2+6x B. -16x^4-2x^2+6x+21 C. 6x^4-2x^2+6x+10 D. -6x^4-8x^2+6x+10